--- a/mercurial/revset.py	Sun Jul 05 11:06:58 2015 +0900
+++ b/mercurial/revset.py	Sun Jul 05 11:17:22 2015 +0900
@@ -116,30 +116,30 @@
 
 elements = {
     # token-type: binding-strength, prefix, infix, suffix
-    "(": (21, ("group", 1, ")"), ("func", 1, ")")),
-    "##": (20, None, ("_concat", 20)),
-    "~": (18, None, ("ancestor", 18)),
+    "(": (21, ("group", 1, ")"), ("func", 1, ")"), None),
+    "##": (20, None, ("_concat", 20), None),
+    "~": (18, None, ("ancestor", 18), None),
     "^": (18, None, ("parent", 18), ("parentpost", 18)),
-    "-": (5, ("negate", 19), ("minus", 5)),
+    "-": (5, ("negate", 19), ("minus", 5), None),
     "::": (17, ("dagrangepre", 17), ("dagrange", 17),
            ("dagrangepost", 17)),
     "..": (17, ("dagrangepre", 17), ("dagrange", 17),
            ("dagrangepost", 17)),
     ":": (15, ("rangepre", 15), ("range", 15), ("rangepost", 15)),
-    "not": (10, ("not", 10)),
-    "!": (10, ("not", 10)),
-    "and": (5, None, ("and", 5)),
-    "&": (5, None, ("and", 5)),
+    "not": (10, ("not", 10), None, None),
+    "!": (10, ("not", 10), None, None),
+    "and": (5, None, ("and", 5), None),
+    "&": (5, None, ("and", 5), None),
     "%": (5, None, ("only", 5), ("onlypost", 5)),
-    "or": (4, None, ("or", 4)),
-    "|": (4, None, ("or", 4)),
-    "+": (4, None, ("or", 4)),
-    "=": (3, None, ("keyvalue", 3)),
-    ",": (2, None, ("list", 2)),
-    ")": (0, None, None),
-    "symbol": (0, ("symbol",), None),
-    "string": (0, ("string",), None),
-    "end": (0, None, None),
+    "or": (4, None, ("or", 4), None),
+    "|": (4, None, ("or", 4), None),
+    "+": (4, None, ("or", 4), None),
+    "=": (3, None, ("keyvalue", 3), None),
+    ",": (2, None, ("list", 2), None),
+    ")": (0, None, None, None),
+    "symbol": (0, ("symbol",), None, None),
+    "string": (0, ("string",), None, None),
+    "end": (0, None, None, None),
 }
 
 keywords = set(['and', 'or', 'not'])